com.oracle.bmc.hdfs.caching

Class CachingObjectStorage.Configuration.ConfigurationBuilder

java.lang.Object

com.oracle.bmc.hdfs.caching.CachingObjectStorage.Configuration.ConfigurationBuilder

Enclosing class:

CachingObjectStorage.Configuration

public static class CachingObjectStorage.Configuration.ConfigurationBuilder
extends Object

Builder for a caching configuration.

Method Summary

Modifier and Type	Method and Description
CachingObjectStorage.Configuration.ConfigurationBuilder	aggressiveCacheGarbageCollection(int sleepMillis) Sets an aggressive garbage collection strategy that causes a system-wide garbage collection and then sleeps for a certain amount of milliseconds.
CachingObjectStorage.Configuration	build()
CachingObjectStorage.Configuration.ConfigurationBuilder	cacheDirectory(Path cacheDirectory)
CachingObjectStorage.Configuration.ConfigurationBuilder	cacheGarbageCollection(Runnable cacheGarbageCollection) Sets additional operations to be run when garbage collection is possible.
CachingObjectStorage.Configuration.ConfigurationBuilder	client(com.oracle.bmc.objectstorage.ObjectStorage client)
CachingObjectStorage.Configuration.ConfigurationBuilder	concurrencyLevel(Integer concurrencyLevel) Sets the number of cache sections.
CachingObjectStorage.Configuration.ConfigurationBuilder	consistencyPolicy(ConsistencyPolicy consistencyPolicy)
CachingObjectStorage.Configuration.ConfigurationBuilder	deletionExecutor(ExecutorService deletionExecutor) This executor provides the thread in which files will be deleted from the cache.
CachingObjectStorage.Configuration.ConfigurationBuilder	downloadConfiguration(com.oracle.bmc.objectstorage.transfer.DownloadConfiguration downloadConfiguration) Default is to not download in parallel.
CachingObjectStorage.Configuration.ConfigurationBuilder	downloadExecutor(ExecutorService downloadExecutor) This executor provides the threads in requests will be made.
CachingObjectStorage.Configuration.ConfigurationBuilder	expireAfterAccess(Duration expireAfterAccess) Sets the duration following the last access of any kind after which an item should be evicted.
CachingObjectStorage.Configuration.ConfigurationBuilder	expireAfterWrite(Duration expireAfterWrite) Sets the duration following the last write of any kind after which an item should be evicted.
CachingObjectStorage.Configuration.ConfigurationBuilder	initialCapacity(Integer initialCapacity) Sets the initial capacity of the cache.
CachingObjectStorage.Configuration.ConfigurationBuilder	maximumSize(Integer maximumSize) If set, the maximum size, in number of cached items.
CachingObjectStorage.Configuration.ConfigurationBuilder	maximumWeight(Long maximumWeight) If set, the maximum weight, in bytes per cache section.
CachingObjectStorage.Configuration.ConfigurationBuilder	recordStats(boolean recordStats) Whether to record statistics.
CachingObjectStorage.Configuration.ConfigurationBuilder	rowLockProvider(CachingObjectStorage.RowLockProvider rowLockProvider) Sets the row lock provider.
String	toString()
CachingObjectStorage.Configuration.ConfigurationBuilder	uncacheablePredicate(CachingObjectStorage.UncacheablePredicate uncacheablePredicate) Sets the predicate that decides if a request cannot be cached.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

aggressiveCacheGarbageCollection

public CachingObjectStorage.Configuration.ConfigurationBuilder aggressiveCacheGarbageCollection(int sleepMillis)

Sets an aggressive garbage collection strategy that causes a system-wide garbage collection and then sleeps for a certain amount of milliseconds.

Parameters:

sleepMillis - milliseconds to sleep

Returns:

this builder

client

public CachingObjectStorage.Configuration.ConfigurationBuilder client(com.oracle.bmc.objectstorage.ObjectStorage client)

Returns:

this.

downloadConfiguration

public CachingObjectStorage.Configuration.ConfigurationBuilder downloadConfiguration(com.oracle.bmc.objectstorage.transfer.DownloadConfiguration downloadConfiguration)

Default is to not download in parallel.

Returns:

this.

cacheDirectory

public CachingObjectStorage.Configuration.ConfigurationBuilder cacheDirectory(Path cacheDirectory)

Returns:

this.

initialCapacity

public CachingObjectStorage.Configuration.ConfigurationBuilder initialCapacity(Integer initialCapacity)

Sets the initial capacity of the cache.

Returns:

this.

recordStats

public CachingObjectStorage.Configuration.ConfigurationBuilder recordStats(boolean recordStats)

Whether to record statistics. This incurs additional overhead.

Returns:

this.

maximumSize

public CachingObjectStorage.Configuration.ConfigurationBuilder maximumSize(Integer maximumSize)

If set, the maximum size, in number of cached items. Cannot be used together with maximumWeight.

Returns:

this.

maximumWeight

public CachingObjectStorage.Configuration.ConfigurationBuilder maximumWeight(Long maximumWeight)

If set, the maximum weight, in bytes per cache section. Cannot be used together with maximumSize.

Returns:

this.

concurrencyLevel

public CachingObjectStorage.Configuration.ConfigurationBuilder concurrencyLevel(Integer concurrencyLevel)

Sets the number of cache sections.

Returns:

this.

expireAfterAccess

public CachingObjectStorage.Configuration.ConfigurationBuilder expireAfterAccess(Duration expireAfterAccess)

Sets the duration following the last access of any kind after which an item should be evicted.

Returns:

this.

expireAfterWrite

public CachingObjectStorage.Configuration.ConfigurationBuilder expireAfterWrite(Duration expireAfterWrite)

Sets the duration following the last write of any kind after which an item should be evicted.

Returns:

this.

consistencyPolicy

public CachingObjectStorage.Configuration.ConfigurationBuilder consistencyPolicy(ConsistencyPolicy consistencyPolicy)

Returns:

this.

downloadExecutor

public CachingObjectStorage.Configuration.ConfigurationBuilder downloadExecutor(ExecutorService downloadExecutor)

This executor provides the threads in requests will be made. This controls how many requests can be made in parallel. By default, 50 requests can be made in parallel.

Returns:

this.

deletionExecutor

public CachingObjectStorage.Configuration.ConfigurationBuilder deletionExecutor(ExecutorService deletionExecutor)

This executor provides the thread in which files will be deleted from the cache.

Returns:

this.

uncacheablePredicate

public CachingObjectStorage.Configuration.ConfigurationBuilder uncacheablePredicate(CachingObjectStorage.UncacheablePredicate uncacheablePredicate)

Sets the predicate that decides if a request cannot be cached.

Returns:

this.

rowLockProvider

public CachingObjectStorage.Configuration.ConfigurationBuilder rowLockProvider(CachingObjectStorage.RowLockProvider rowLockProvider)

Sets the row lock provider.

Returns:

this.

cacheGarbageCollection

public CachingObjectStorage.Configuration.ConfigurationBuilder cacheGarbageCollection(Runnable cacheGarbageCollection)

Sets additional operations to be run when garbage collection is possible.

Returns:

this.

build

public CachingObjectStorage.Configuration build()

toString

public String toString()

Overrides:

toString in class Object